Overview of High Purity Aluminum Nitride Powder for Electronic Ceramic Substrate Raw Material

Aluminum Nitride (AlN) ceramic is an advanced technical ceramic material known for its unique combination of extremely high thermal conductivity and excellent electrical insulation properties. Unlike traditional alumina or beryllium oxide ceramics, AlN offers a thermal conductivity close to that of metals like aluminum and copper, while still acting as a robust electrical insulator. It is typically produced via powder processing and sintering, resulting in a dense, hard, and durable material ideal for demanding thermal management applications.

Features of High Purity Aluminum Nitride Powder for Electronic Ceramic Substrate Raw Material

High Thermal Conductivity: Possesses a theoretical thermal conductivity of up to 320 W/m·K, with commercial grades typically ranging from 170 to 230 W/m·K, effectively dissipating heat in high-power circuits.

Excellent Electrical Insulation: Despite its metal-like heat transfer, it maintains a high volume resistivity and dielectric strength, preventing short circuits and ensuring device safety.

Low Thermal Expansion Coefficient (CTE): Its CTE closely matches that of silicon (Si) and Silicon Carbide (SiC), minimizing thermal stress and improving reliability in semiconductor packaging.

High Mechanical Strength & Corrosion Resistance: It offers good flexural strength and is resistant to attack from many molten metals and chemicals.

Non-Toxic: AlN is a safe alternative to Beryllium Oxide (BeO) ceramics, which pose serious health risks during processing and disposal.

Specification of High Purity Aluminum Nitride Powder for Electronic Ceramic Substrate Raw Material

High Purity Aluminum Nitride Powder for Electronic Ceramic Substrates

Product Introduction

This aluminum nitride (AlN) powder is created digital ceramic substratums. It uses high thermal conductivity and solid electrical insulation. These functions make it perfect for power electronic devices, LED product packaging, and various other sophisticated applications where warm should move away quickly yet power should not go through.

Purity and Composition

The powder consists of at least 99.9% light weight aluminum nitride. Oxygen material remains listed below 0.45%, and metal pollutants like iron, copper, and nickel are kept under rigorous control– each listed below 10 ppm. This level of purity ensures steady performance popular settings.

Bit Features

Fragments are uniform in size, with an average diameter (D50) in between 0.8 and 1.2 micrometers. The circulation is slim, which helps attain dense sintered bodies without huge pores. The powder moves well and packs snugly, sustaining constant eco-friendly toughness during forming.

Thermal and Electric Performance

When sintered properly, ceramics made from this powder reach thermal conductivity values above 170 W/m · K. At the same time, quantity resistivity surpasses 10¹⁴ Ω · centimeters at room temperature level. These properties allow devices to run cooler and much more accurately over extended periods.

Handling and Storage

Shop the powder in a dry, closed container far from moisture. Aluminum nitride responds slowly with water, so direct exposure to moist air ought to be prevented. Use basic commercial hygiene practices when managing great powders.

Quality control

Every set experiences full testing for chemical make-up, fragment dimension, and surface. Certifications of evaluation are supplied with each delivery. Our production complies with ISO 9001 requirements to assure consistency and traceability.

Applications of High Purity Aluminum Nitride Powder for Electronic Ceramic Substrate Raw Material

High Purity Light Weight Aluminum Nitride Powder for Electronic Porcelain Substrates

Why It Matters in Electronic devices

High purity aluminum nitride (AlN) powder is a key raw material for making digital ceramic substrates. These substrates support and attach digital parts in several tools. AlN sticks out because it relocates warmth away swiftly while blocking electrical power. This mix of qualities is rare and really valuable.

The majority of electronic devices today obtain smaller sized yet more powerful. That implies they create more warmth in limited areas. If this warmth stays inside, the tool can fail. Ceramic substrates made from high purity AlN draw warmth out quickly. They keep circuits awesome and functioning right. This is why makers of power modules, LEDs, and RF devices pick AlN-based porcelains.

What Makes the Powder Special

The efficiency of the last ceramic depends on the high quality of the starting powder. Contaminations harm thermal conductivity. Even small amounts of oxygen or steels can decrease warm flow. That’s why the powder should be over 99.9% pure. It likewise needs fine, also fragments. This helps the powder pack snugly during shaping and sintering. The outcome is a thick, solid ceramic without vulnerable points.

Manufacturers use rigorous controls to generate this powder. They watch every step– from resources to last product packaging. The goal is consistent high quality set after batch. Users require to rely on that each delivery will certainly act the same way in their process.

Where It’s Used

You’ll locate AlN ceramic substrates in electrical lorries, 5G base terminals, laser diodes, and industrial power systems. In all these areas, dependability under warm tension is crucial. High purity AlN powder provides designers a solid foundation to improve. It lets them layout circuits that last longer and perform better, even in hard conditions.

Company Introduction

Welcome to Eduloc, a leading global supplier of high-quality ceramic grinding balls. Our product range includes,Mullite Ceramic, Quartz Ceramic, Aluminum Nitride Ceramic, Silicon Nitride Ceramic, Silicon Carbide Ceramic designed for industries such as mining, chemicals, coatings, electronics, and pharmaceuticals. We are committed to providing durable and efficient grinding solutions tailored to our customers’ diverse needs. With advanced manufacturing technology and stringent quality control, our ceramic grinding balls excel in wear resistance, corrosion resistance, and thermal stability. Partner with us for reliable products and exceptional service that enhance your production efficiency and reliability.

If you have any questions, please feel free to contact us.

Payment Methods

T/T, Western Union, Paypal, Credit Card etc.

Shipment Methods

By air, by sea, by express, as customers request.

5 FAQs of High Purity Aluminum Nitride Powder for Electronic Ceramic Substrate Raw Material

What is high purity aluminum nitride powder used for?

High purity aluminum nitride powder is mainly used to make electronic ceramic substrates. These substrates carry and connect electronic parts in devices like power modules, LED lights, and sensors. The powder’s excellent thermal conductivity and electrical insulation make it ideal for managing heat in compact, high-performance electronics.

Why does purity matter in aluminum nitride powder?

Purity directly affects performance. Impurities like oxygen or metals lower thermal conductivity and weaken mechanical strength. For reliable results in advanced electronics, the powder must be over 99.9% pure. This ensures consistent quality and long-term stability in finished ceramic parts.

How is the powder processed into ceramic substrates?

The powder is shaped using methods like pressing or casting. After shaping, it goes through high-temperature sintering in a controlled atmosphere. This step bonds the particles into a dense, strong ceramic. Special additives may help densification without harming thermal properties.

What particle size is best for substrate production?

Fine and uniform particle size—usually under 2 micrometers—is preferred. Smaller particles pack tightly, leading to smoother surfaces and fewer defects after sintering. Consistent size also helps control shrinkage during firing, which is key for precise dimensions.

Is aluminum nitride powder safe to handle?

Yes, but standard safety practices are needed. The powder is not highly toxic, yet breathing fine dust should be avoided. Use gloves, eye protection, and proper ventilation when handling. Store it in a dry place since moisture can cause slow hydrolysis and affect performance.